private function ensureCapacity($size)
{
if ($size > count($this->bits) * 32) {
$newBits = $this->makeArray($size);
$newBits = arraycopy($this->bits, 0, $newBits, 0, count($this->bits));
$this->bits = $newBits;
}
}
public function getMatrix()
{
$width = $this->getWidth();
$height = $this->getHeight();
// If the caller asks for the entire underlying image, save the copy and give them the
// original data. The docs specifically warn that result.length must be ignored.
if ($width == $this->dataWidth && $height == $this->dataHeight) {
return $this->luminances;
}
$area = $width * $height;
$matrix = array();
$inputOffset = $this->top * $this->dataWidth + $this->left;
// If the width matches the full width of the underlying data, perform a single copy.
if ($width == $this->dataWidth) {
$matrix = arraycopy($this->luminances, $inputOffset, $matrix, 0, $area);
return $matrix;
}
// Otherwise copy one cropped row at a time.
$rgb = $this->luminances;
for ($y = 0; $y < $height; $y++) {
$outputOffset = $y * $width;
$matrix = arraycopy($rgb, $inputOffset, $matrix, $outputOffset, $width);
$inputOffset += $this->dataWidth;
}
return $matrix;
}
public function addResultPoints($newPoints)
{
$oldPoints = $this->resultPoints;
if ($oldPoints == null) {
$this->resultPoints = $newPoints;
} else {
if ($newPoints != null && count($newPoints) > 0) {
$allPoints = fill_array(0, count($oldPoints) + count($newPoints), 0);
$allPoints = arraycopy($oldPoints, 0, $allPoints, 0, count($oldPoints));
$allPoints = arraycopy($newPoints, 0, $allPoints, count($oldPoints), count($newPoints));
$this->resultPoints = $allPoints;
}
}
}
/**
* @param $y; row to set
* @param $row; {@link BitArray} to copy from
*/
public function setRow($y, $row)
{
$this->bits = arraycopy($row->getBitArray(), 0, $this->bits, $y * $this->rowSize, $this->rowSize);
}